# Homework Help: Angular Acceleration of Camera

1. Oct 23, 2011

### depre87

1. The problem statement, all variables and given/known data
http://imageshack.us/photo/my-images/855/10544781.png/

2. Relevant equations
a=[r''-r0'^2]er+[r0'' + 2r'0']e0 where 0 = theta

3. The attempt at a solution
stumped about it, i've tried setting the above to 0 then work out r which is 200 m but that's just cluelessly subbing values into the equation, any directions as to where to head? thanks!

2. Oct 23, 2011

### ehild

The car moves along the road with constant velocity v. Find x as function of time. Find how θ and $\dot {\theta}$ are related to v and time.

ehild

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